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MIZ001-182245-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
545 AM EDT Sat May 18 2024

Isle Royale (SW areas)-
Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge,
and Windigo-

.TODAY...Warmer. Partly sunny through mid afternoon then becoming
cloudy. A slight chance of rain showers and thunderstorms through
early afternoon, then rain showers likely and a chance of
thunderstorms by mid afternoon. Highs around 53 at the shore and
65 to 70 inland. East winds 5 to 10 mph becoming south 10 to 15 mph
late. Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...A 50 percent chance of rain showers and thunderstorms
through midnight. Mostly clear. Lows around 45. Southwest winds
10 to 15 mph. Waves building to 2 to 3 feet.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 51 at the shore and 64 to 69 inland. Southwest winds
10 to 20 mph. Waves 2 to 3 feet.
.SUNDAY NIGHT...A 30 percent chance of rain showers late. Mostly
cloudy. Lows 47 to 52 inland and around 45 at the shore. Southwest
winds 5 to 15 mph becoming southeast late. Waves subsiding to calm
to 1 foot.
.MONDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs around 50 at the shore and 58 to 63 inland. East winds 5 to
15 mph becoming northeast late. Waves calm to 1 foot.
.MONDAY NIGHT...Mostly cloudy. Lows around 43.
.TUESDAY...Partly sunny. Highs around 50 at the shore and 57 to
62 inland.
.TUESDAY NIGHT...Rain showers likely through midnight, then rain
showers likely and a chance of thunderstorms late. Lows around 44.
Chance of precipitation 60 percent.
.WEDNESDAY...Partly sunny with a chance of rain showers. Highs 49 to
54. Chance of showers 50 percent.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 41. Chance of showers 30 percent.
.THURSDAY...Partly sunny. Highs 48 to 53.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 40. Highs
49 to 54.

&&

Isle Royale (NE areas)-
Including Greenstone Ridge North, Malone Bay, Mount Saginaw,
and Rock Harbor-

.TODAY...Warmer. Partly sunny. Isolated rain showers and
thunderstorms through early afternoon. A slight chance of rain
showers and thunderstorms by early afternoon, then rain showers
likely and a chance of thunderstorms late. Highs around 49 at the
shore and 61 to 66 inland. Southeast winds 5 to 15 mph becoming
south 10 to 15 mph late. Waves 2 to 3 feet building to 2 to 4 feet.
.TONIGHT...Partly cloudy with rain showers likely and a chance of
thunderstorms through midnight, then clear late. Lows around 44.
Southwest winds 10 to 15 mph. Chance of precipitation 70 percent.
Waves subsiding to 1 to 2 feet.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 51 at the shore and 61 to 66 inland. Southwest winds
10 to 20 mph. Waves building to 2 to 3 feet.
.SUNDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows 43 to 48. Southwest winds 5 to 15 mph becoming south
5 to 10 mph late. Waves subsiding to calm to 1 foot.
.MONDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs around 47 at the shore and 54 to 59 inland. East winds 5 to
15 mph becoming 5 to 10 mph late. Waves building to 1 to 2 feet.
.MONDAY NIGHT...Mostly cloudy. Lows around 43.
.TUESDAY...Partly sunny. Highs around 49 at the shore and 54 to
59 inland.
.TUESDAY NIGHT...A chance of rain showers through midnight, then
rain showers likely and a chance of thunderstorms late. Mostly
cloudy. Lows around 43. Chance of precipitation 60 percent.
.WEDNESDAY...A chance of rain showers and thunderstorms through
early afternoon, then a chance of rain showers by mid afternoon.
Partly sunny. Highs 47 to 52. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 40. Chance of showers 30 percent.
.THURSDAY...Cool. Partly sunny. Highs 45 to 50.
.THURSDAY NIGHT AND FRIDAY...Cool. Partly cloudy. Lows around 40.
Highs 45 to 50.

&&

Isle Royale (NW areas)-
Including Amygdaloid Island, Lookout Louise, and Minong Mine-

.TODAY...Warmer. Partly sunny. A slight chance of rain showers and
isolated thunderstorms through early afternoon. Rain showers likely
and a chance of thunderstorms by mid afternoon. Highs around 51 at
the shore and 65 to 70 inland. East winds 5 to 15 mph becoming south
10 to 15 mph late. Waves 2 to 3 feet.
.TONIGHT...Partly cloudy with a 50 percent chance of rain showers
and thunderstorms through midnight, then clear late. Lows around 44.
Southwest winds 10 to 15 mph. Waves 2 to 3 feet.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 52 at the shore and 65 to 70 inland. Southwest winds
10 to 15 mph. Waves subsiding to 1 to 2 feet building to 2 to
3 feet.
.SUNDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows 45 to 50. Southwest winds 5 to 15 mph becoming south
5 to 10 mph late. Waves subsiding to calm to 1 foot.
.MONDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 48 at the shore and 58 to 63 inland. East winds 5 to
15 mph becoming northeast 5 to 10 mph late. Waves building to 1 to
2 feet.
.MONDAY NIGHT...Mostly cloudy. Lows around 44.
.TUESDAY...Partly sunny. Highs around 49 at the shore and 56 to
61 inland.
.TUESDAY NIGHT...A chance of rain showers through midnight, then
rain showers likely and a chance of thunderstorms late. Mostly
cloudy. Lows around 43. Chance of precipitation 60 percent.
.WEDNESDAY...Partly sunny with a chance of rain showers. Highs 48 to
53. Chance of showers 50 percent.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 40. Chance of showers 30 percent.
.THURSDAY...Partly sunny. Highs around 47 at the shore and 49 to
54 inland.
.THURSDAY NIGHT AND FRIDAY...Cool. Partly cloudy. Lows around 39.
Highs around 47 at the shore and 49 to 54 inland.

&&

Isle Royale (SE areas)-
Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay-

.TODAY...Warmer. Partly sunny through mid afternoon then becoming
cloudy. A slight chance of rain showers and thunderstorms through
early afternoon. Rain showers likely and a chance of thunderstorms
by mid afternoon. Highs around 52 at the shore and 64 to 69 inland.
East winds 5 to 15 mph becoming south 10 to 15 mph late. Waves 2 to
3 feet.
.TONIGHT...Rain showers likely and a chance of thunderstorms through
midnight. Mostly clear. Lows around 45. West winds 10 to 15 mph.
Chance of precipitation 60 percent. Waves 2 to 3 feet.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 52 at the shore and 63 to 68 inland. Southwest winds
10 to 15 mph. Waves 2 to 3 feet.
.SUNDAY NIGHT...A 30 percent chance of rain showers late. Mostly
cloudy. Lows 45 to 50. Southwest winds 5 to 15 mph becoming south
late. Waves subsiding to calm to 1 foot.
.MONDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs around 49 at the shore and 58 to 63 inland. East winds 5 to
15 mph becoming northeast by mid afternoon. Waves building to 1 to
2 feet, then subsiding to calm to 1 foot.
.MONDAY NIGHT...Mostly cloudy. Lows around 43.
.TUESDAY...Partly sunny. Highs around 49 at the shore and 55 to
60 inland.
.TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms.
Lows around 44. Chance of precipitation 60 percent.
.WEDNESDAY...Partly sunny with a chance of rain showers. Highs 48 to
53. Chance of showers 50 percent.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 41. Chance of showers 30 percent.
.THURSDAY...Partly sunny. Highs around 46 at the shore and 49 to
54 inland.
.THURSDAY NIGHT AND FRIDAY...Cool. Partly cloudy. Lows around 40.
Highs around 47 at the shore and 49 to 54 inland.

&&


$$